How to use Lime Green Stipple Coat – a lime base coat, splatterdash or bonding coat

How to use Lime Green Stipple Coat – a lime base coat, splatterdash or bonding coat


Stipple Coat is a premixed render and
plaster that’s used on very smooth or highly porous masonry to give a rough
and textured surface so the next coat will adhere much more readily. Stipple
coats are also referred to as splatter dash and bonding coats. To create a sticky consistency, add 3.5 to 5 litres of clean water to each 25 kilogram sack before
mixing in a drum or forced action mixer for five to ten minutes. If using a
mechanical whisk, mix for 2 to 3 minutes then leave for two minutes and mix
once more. Remove any loose material and dust by
brushing with a stiff brush. Do not apply PVC or other waterproofing product, as
this will affect the breathability of the wall. To make sure it is compatible
with the wall surface and will stick, apply stipple coat to a trial area
first. You can throw it or spray it on with a hopper gun, or use a trowel as we do here. Apply to a thickness of five millimetres
or so, then leave for a few minutes before roughening the surface with a
trowel edge or using a stiff bristle brush to leave a heavily textured surface that
looks like rough cast. While lime products can generally be reworked for up to
eight hours, to maintain its stickiness we recommend that stipple coat, once
mixed and used, is left alone. Allow a good 24 hours before applying
any other plaster or render coat. To prevent the stipple coat drying out
too quickly, lightly spray it with water and then
cover with damp hessian. In wet or cold weather, make sure that it is covered
with protective sheeting. For more information about Stipple Coat or any of
our lime products, just go to the Lime Green website at lime-green.co.uk and click on the Knowledge Base tab. Or, if you would like to speak to someone in
person, call us on 01952 728611.

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